Houstonia

subsp. var.
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Standard Cyclopedia of Horticulture

Houstonia (Dr. Wm. Houston, who collected in the West Indies and Mexico, died 1733 in Jamaica). Rubiaceae. About twenty-five North American small herbs or rarely sub- shrubs, with pretty white, blue or purple flowers, some of the species cultivated in wild gardens and rockeries. Plants usually tufted or growing in colonies: lvs. small, opposite, on the slender sts: parts of the fls. in 4's, the corolla gamopetalous and funnelform or salverform; stamens and styles polymorphous; stigmas 2: caps, opening near the top, partly superior.—The species are native on the Atlantic side of the continent and in Mex. Some of the small herbaceous species are sometimes transferred to cult, grounds, although the kinds are little known as horticultural subjects. A moist, partly shaded place is to be recommended for most houstonias, because their flowering season is thereby prolonged and the plants retain their foliage much longer than in a drier and sunny position. Collected plants are not difficult, to" establish. Prop, by division. The following perennial species have been offered by American dealers: Houstonia purpurea, Houstonia caerulea, Houstonia serpyllifolia. The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

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References

• Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963

External links

• w:Houstonia. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
• Houstonia QR Code (Size 50, 100, 200, 500)